/* poly-tree.h : includes for nonlinear lms regression */

extern float basis_values[], weight_level;
extern int subtrees;
extern int tab_size, small_nodes;
extern float rate;
extern int max_levels;
extern float alpha ;

typedef struct node { float output,
			weight,
			error,
			var,
		        input_var,
			var_weight, var_error, var_output,
			value;
		      int level, number, flag;  
		      struct node *below, *next;
		    } NODE ;